摘要 |
A telecommunication system comprises a network for transmitting information, a plurality of terminals connected to the network for communicating to each other, a data base provided in the network and having a plurality of storage areas corresponding to the plurality of terminals for storing a plurality of alerting patterns, alerting tone selector for reading, on the basis of information for identifying a calling terminal, an alerting pattern specified at the calling terminal when there is a call incoming from the calling terminal to a called terminal, from a storage area in the data base corresponding to the called terminal, and alerting tone controller for controlling a called terminal on the basis of the alerting pattern and generating a corresponding alerting tone at the called terminal when there is an incoming call.
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